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Finding the Fourth Proportional to 111,514.53, 153,885.92 and 60,526.17

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Solution

The fourth proportional to 111,514.53, 153,885.92 and 60,526.17 is: 83,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,514.53 : 153,885.92 = 60,526.17 : x
  2. Step 2: Convert to fraction form
    111,514.53/153,885.92 = 60,526.17/x
  3. Step 3: Cross multiply
    111,514.53x = 153,885.92 × 60,526.17
  4. Step 4: Simplify right side
    111,514.53x = 9,314,125,051.90
  5. Step 5: Solve for x
    x = 9,314,125,051.90/111,514.53
  6. Step 6: Final answer
    x = 83,523.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.